////
//
/// \file ./test/symbol_node_test.cpp
//
//  Copyright 2007 Chandler Carruth
//
//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
//  use this file except in compliance with the License.  You may obtain a copy
//  of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
//  License for the specific language governing permissions and limitations
//  under the License.
//
////

#include <inc/parser/symbol_node.hpp>

#include <string>

#include <gtest/gtest.h>

#include <inc/parser/utilities.hpp>

namespace inc {
namespace parser {

using std::string;

TEST(SymbolNodeTest, basic_parse)
{
  const string data[] = { "=", "+", "-", "*", "/", "\\", "%", "^", "&", "|",
                          "!", "<", ">", "?", ":", "#", "$", ":=", "->",
                          "<-", "<<", ">>", "**", "<>", "*+*", "!!", "&&",
                          "=-=**\\//$*%*%", };
  for( int i = 0 ; i < elementsof( data ) ; ++i )
  {
    SymbolNode node;
    string::const_iterator last_parsed;
    EXPECT_TRUE( node.parse( data[i].begin(), data[i].end(), last_parsed ) )
        << "Failed to parse: '" << data[i] << "'";
    EXPECT_EQ( data[i], string( data[i].begin(), last_parsed ) );
    EXPECT_EQ( data[i], node.get_text() );
  }
}

TEST(SymbolNodeTest, parse_fails)
{
  const string data[] = { "@", ";", "{", "}", "a", "[", "]", " ", "\t", };
  for( int i = 0 ; i < elementsof( data ) ; ++i )
  {
    SymbolNode node;
    string::const_iterator last_parsed = data[i].end();
    EXPECT_FALSE( node.parse( data[i].begin(), data[i].end(), last_parsed ) )
        << "Erroneously parsed: '" << data[i] << "'";
    EXPECT_EQ( string(), string( data[i].begin(), last_parsed ) );
  }
}

} //  end parser namespace
} //  end inc namespace
